134134240 has 48 divisors (see below), whose sum is σ = 323652672. Its totient is φ = 52509184.

The previous prime is 134134223. The next prime is 134134249. The reversal of 134134240 is 42431431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134134249) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1399 + ... + 16438.

It is an arithmetic number, because the mean of its divisors is an integer number (6742764).

Almost surely, 2^134134240 is an apocalyptic number.

134134240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 134134240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (161826336).

134134240 is an abundant number, since it is smaller than the sum of its proper divisors (189518432).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

134134240 is a wasteful number, since it uses less digits than its factorization.

134134240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17899 (or 17891 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 134134240 is about 11581.6337362222. The cubic root of 134134240 is about 511.8938174988.

Adding to 134134240 its reverse (42431431), we get a palindrome (176565671).

The spelling of 134134240 in words is "one hundred thirty-four million, one hundred thirty-four thousand, two hundred forty".